Query: NC_003364:1081846 Pyrobaculum aerophilum str. IM2, complete genome
Lineage: Pyrobaculum aerophilum; Pyrobaculum; Thermoproteaceae; Thermoproteales; Crenarchaeota; Archaea
General Information: This organism was isolated from a boiling marine water hole in Maronti Beach, Ischia, Italy. It grows optimally a 100ºC and pH 7.0. Growth can occur at temperatures between 74 and 104 ºC. Nitrate-reducing hyperthermophilic archeon. This organism is a facultatively anaerobic, nitrate-reducing hyperthermophilic archaeon. It is able to grow both aerobically and anaerobically by dissimilatory nitrate reduction.
Subject: NC_010337:565730 Heliobacterium modesticaldum Ice1, complete genome
Lineage: Heliobacterium modesticaldum; Heliobacterium; Heliobacteriaceae; Clostridiales; Firmicutes; Bacteria
General Information: Heliobacterium modesticaldum strain Ice1, the type strain of this species, was isolated from Icelandic hot spring volcanic soils. It grows optimally above 50 degrees Celsius, grows best photoheterotrophically, but can grow in the dark chemotrophically on pyruvate. Phototrophic thermophile. This organism is an anoxygenic phototroph isolated from hot spring microbial mats and volcanic soil. Cell wall structure, the ability to form endospores, and 16S ribosomal RNA analysis place Heliobacterium modesticaldum in a family of phototrophic bacteria related to the Clostridia. Heliobacterium modesticaldum is able to fix nitrogen and may contribute significantly to the nitrogen availability in microbial mats.